Safety Technology International, Inc. STI-3301 Additional Wireless Doorbell Chime Button - Additional musical wireless doorbell chime is quick and easy to install with no electrical wiring and no expensive through-the-wall drilling. The Doorbell chime will operate up to 500 feet (line of sight) of the transmitter. Select one of ten sounds with the push of a button on the transmitter. Chime can also be useful with an elderly, sick or even disabled person or anyone with any type of special care as a pager to summons for help or assistance. You can also use this button to back doors, gates, garage doors or anywhere that an alert is needed. Includes a CR2032 battery for long life. Note: End user must verify the alarm and battery function every six months and replace battery annually or as required. This additional Doorbell chime works great and is an addition to Model # STI-3350. Dimensions – 3.3”L x 1.1”W x .975”D. STI "We protect the things that protect you."
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